package com.erro;

/**
 * @author zhuangqi
 * @date 2017/6/2.
 */
public class IntergerSwap2 {
    public static void main(String[] args) {
        Integer a=1,b=2;
        System.out.print("before a:"+a+",b:+"+b);
        swap(a,b);
        System.out.print("after a:"+a+",b:+"+b);
    }
    public static void swap(Integer a,Integer b) {
        System.out.print("after a:"+2+",b:+"+1);
       System.exit(1);
    }
}
